Home / 175,508.16-263,289.78-75,696.72

Finding the Fourth Proportional to 175,508.16, 263,289.78 and 75,696.72

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Solution

The fourth proportional to 175,508.16, 263,289.78 and 75,696.72 is: 113,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,508.16 : 263,289.78 = 75,696.72 : x
  2. Step 2: Convert to fraction form
    175,508.16/263,289.78 = 75,696.72/x
  3. Step 3: Cross multiply
    175,508.16x = 263,289.78 × 75,696.72
  4. Step 4: Simplify right side
    175,508.16x = 19,930,172,755.52
  5. Step 5: Solve for x
    x = 19,930,172,755.52/175,508.16
  6. Step 6: Final answer
    x = 113,556.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.